barium hydroxide
- Formula: BaH2O2
- Molecular weight: 171.342
- IUPAC Standard InChI: InChI=1S/Ba.2H2O/h;2*1H2/q+2;;/p-2
- IUPAC Standard InChIKey: RQPZNWPYLFFXCP-UHFFFAOYSA-L
- CAS Registry Number: 17194-00-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Barium dihydroxide
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Gas Phase Heat Capacity (Shomate Equation)
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 2000. to 6000. |
|---|---|
| A | 81.87730 |
| B | 14.33770 |
| C | -2.870551 |
| D | 0.197578 |
| E | -0.740637 |
| F | -654.0590 |
| G | 405.8310 |
| H | -626.5620 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1975 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 2000. | 100.5 | 486.1 | 406.9 | 158.4 |
| 2100. | 101.0 | 491.1 | 410.8 | 168.5 |
| 2200. | 101.5 | 495.8 | 414.6 | 178.6 |
| 2300. | 101.9 | 500.3 | 418.2 | 188.8 |
| 2400. | 102.4 | 504.6 | 421.7 | 199.0 |
| 2500. | 102.7 | 508.8 | 425.1 | 209.3 |
| 2600. | 103.1 | 512.9 | 428.4 | 219.6 |
| 2700. | 103.5 | 516.8 | 431.6 | 229.9 |
| 2800. | 103.8 | 520.5 | 434.7 | 240.3 |
| 2900. | 104.0 | 524.2 | 437.7 | 250.6 |
| 3000. | 104.3 | 527.7 | 440.7 | 261.1 |
| 3100. | 104.5 | 531.1 | 443.5 | 271.5 |
| 3200. | 104.8 | 534.4 | 446.3 | 282.0 |
| 3300. | 105.0 | 537.7 | 449.0 | 292.5 |
| 3400. | 105.1 | 540.8 | 451.7 | 303.0 |
| 3500. | 105.3 | 543.9 | 454.3 | 313.5 |
| 3600. | 105.5 | 546.8 | 456.8 | 324.0 |
| 3700. | 105.6 | 549.7 | 459.3 | 334.6 |
| 3800. | 105.7 | 552.5 | 461.7 | 345.1 |
| 3900. | 105.8 | 555.3 | 464.1 | 355.7 |
| 4000. | 105.9 | 558.0 | 466.4 | 366.3 |
| 4100. | 106.0 | 560.6 | 468.7 | 376.9 |
| 4200. | 106.1 | 563.1 | 470.9 | 387.5 |
| 4300. | 106.1 | 565.6 | 473.0 | 398.1 |
| 4400. | 106.2 | 568.1 | 475.2 | 408.7 |
| 4500. | 106.2 | 570.5 | 477.3 | 419.3 |
| 4600. | 106.3 | 572.8 | 479.3 | 430.0 |
| 4700. | 106.3 | 575.1 | 481.3 | 440.6 |
| 4800. | 106.4 | 577.3 | 483.3 | 451.2 |
| 4900. | 106.4 | 579.5 | 485.2 | 461.9 |
| 5000. | 106.5 | 581.7 | 487.2 | 472.5 |
| 5100. | 106.5 | 583.8 | 489.0 | 483.2 |
| 5200. | 106.6 | 585.8 | 490.9 | 493.8 |
| 5300. | 106.6 | 587.9 | 492.7 | 504.5 |
| 5400. | 106.7 | 589.9 | 494.5 | 515.2 |
| 5500. | 106.7 | 591.8 | 496.2 | 525.8 |
| 5600. | 106.8 | 593.7 | 497.9 | 536.5 |
| 5700. | 106.9 | 595.6 | 499.6 | 547.2 |
| 5800. | 107.0 | 597.5 | 501.3 | 557.9 |
| 5900. | 107.1 | 599.3 | 503.0 | 568.6 |
| 6000. | 107.2 | 601.1 | 504.6 | 579.3 |
References
Go To: Top, Gas Phase Heat Capacity (Shomate Equation), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Notes
Go To: Top, Gas Phase Heat Capacity (Shomate Equation), References
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